Output Tracing

Output Tracing:

Dim i As Integer = 15

Dim j As Integer = 10

Dim k As Integer

Do While j < i

   i = i + 1

   j += 2

   k += i + j

Loop

TextBox1.Text = i

TextBox2.Text = j

TextBox3.Text = k

	i	j	k
(before loop)	15	10	0
10<15: T	16	12	0+16+12=28
12<16: T	17	14	28+17+14=59
14<17: T	18	16	59+18+16=93
16<18: T	19	18	93+19+18=130
18<19: T	20	20	130+20+20=170
20<20: F

Output:

20

20

170

Q1:

Dim i As Integer = 6

Dim j As Integer = 8

Dim k As Integer

	Output: 15 10 7

 

Do

   i = i + 1

   k += i + j

   j += 2  

Loop While j < i

TextBox1.Text = k

TextBox2.Text = j

TextBox3.Text = i

	i	k	j
(before loop)	6	0	8
	7	0+7+8=15	10
10<7: F